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Puzzles (3 cohencoins award for each match):

Puzzle fNOwe: 625

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/aawrg61j"] [Date "2025.11.25"] [White "ay136416"] [Black "Christian1"] [Result "0-1"] [UTCDate "2025.11.25"] [UTCTime "00:41:57"] [WhiteElo "1414"] [BlackElo "1672"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+2"] [WhiteTitle "NM🙂"] [BlackTitle "NM🐍"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C65"] [Opening "Ruy Lopez: Berlin Defense, Beverwijk Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nf6 { C65 Ruy Lopez: Berlin Defense, Beverwijk Variation } 5. Nc3 a6?? { (0.23 → 1.90) Blunder. O-O was best. } (5... O-O) 6. Ba4?? { (1.90 → 0.18) Blunder. Bxc6 was best. } (6. Bxc6 dxc6 7. Nxe5 Be6 8. d3 Qe7 9. Qe1 O-O-O 10. Nf3 h6 11. Be3 Bxe3 12. fxe3 Rhe8) 6... O-O 7. d3 d6 8. Bg5 Bg4? { (0.00 → 1.15) Mistake. h6 was best. } (8... h6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. c3 Ne7 12. Ne3 Ng6 13. d4 Ba7 14. Bc2 Re8 15. Qd2) 9. Nd5 Be6? { (0.98 → 2.41) Mistake. Nd4 was best. } (9... Nd4 10. c3) 10. Nxf6+?! { (2.41 → 1.74) Inaccuracy. Bxc6 was best. } (10. Bxc6 bxc6) 10... gxf6 11. Bh6 Re8 12. Nh4 Qd7?? { (2.00 → 11.95) Blunder. Kh8 was best. } (12... Kh8 13. Kh1) 13. Bxc6 bxc6 14. a4?? { (11.30 → 2.14) Blunder. Qf3 was best. } (14. Qf3 d5) 14... Kh8 15. Qh5?? { (2.56 → -6.56) Blunder. Qf3 was best. } (15. Qf3 Qe7) 15... Bg4 16. Qxg4 Qxg4 17. Nf5 Rg8 18. Ne7?? { (-6.76 → Mate in 1) Checkmate is now unavoidable. Ng3 was best. } (18. Ng3) 18... Qxg2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting